now from marysol castro. marysol, good morning. >> good morning, chris. good morning, everyone at home. well, this heat is dangerous. in short, more than 21 states have excessive heat watches and warnings, and you can see the red is where we really focus, kansas city, st. louis, tulsa and memphis. in the central plains the heat is in the 90s, with heat indices in the 100s. and it stays this way at least through saturday. in the northeast, it's very hot, and very humid, as well. we're going to look at some excessive heat watches for the day. 89 in pittsburgh, 87 in buffalo. again, you factor in the humidity, and it's just sweltering in the afternoon. some thunderstorms start to move in, and of course going to keep track on it. we're going to tell you your national forecast later on in the show. but right now back over to erica. >> all right. we'll check in with you for that in just a moment. for the third day in a row, president obama and congressional leaders will meet at the white house, where they will try once again to hammer out a deal to raise the nation's debt ceiling and lower the deficit. cbs news senior white house correspondent bill plante has more for us this morning. bill, good morning. >> good morning, erica.